Born: July 18. 1918, in Mvezo, South Afric Family: Wife, Graca Machel; six children; two ex-wivesPolitical positions: President of South Africa, May 10, 1994 to June 14, 1999; secretary general of Non-Aligned Movement, Sept. 2, 1998 to June 14, 1999; president of the African National Congress political party, 1991 to 1997. Imprisonment: Was arrested in 1962 for conspiring against the apartheid government. He was in prison from 1962 until 1990.